JP2019525655A - 無線通信システムにおいて端末が他の端末にデータを伝送する方法 - Google Patents
無線通信システムにおいて端末が他の端末にデータを伝送する方法 Download PDFInfo
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- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
- H04L1/1642—Formats specially adapted for sequence numbers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
- H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
Description
Claims (14)
- 無線通信システムにおいて、端末が他の端末にデータを伝送する方法であって、
複数のデータを伝送するためのリソースを選択する段階;及び
前記選択されたリソースを使用して前記複数のデータを伝送する段階を含み、
前記端末がセンシングにより伝送を行うように構成され、前記端末が前記データを所定回数以上連続して伝送できなかった場合、前記端末はリソース再選択を行うデータ伝送方法。 - 前記選択されたリソースは半静的リソースの割り当て周期ごとに繰り返されることである、請求項1に記載のデータ伝送方法。
- 前記リソース再選択はリソース再選択のためのカウンター値に関係なく行われることである、請求項2に記載のデータ伝送方法。
- 前記選択されたリソースは、ビットマップによりデータ送受信に使用可能なものと指示されたものである、請求項2に記載のデータ伝送方法。
- 前記ビットマップの長さはCAM(Cooperative Awareness Message)メッセージの生成周期に相応するものである、請求項4に記載のデータ伝送方法。
- 前記ビットマップはSFN(System Frame Number)周期内で繰り返して適用されるものである、請求項4に記載のデータ伝送方法。
- 前記ビットマップの長さは前記半静的リソースの割り当て周期と前記SFN周期の公約数である、請求項6に記載のデータ伝送方法。
- 無線通信システムにおいて、他の端末にデータを伝送する端末装置であって、
送信装置と受信装置;及び
プロセッサを含み、
前記プロセッサは、複数のデータを伝送するためのリソースを選択し、前記選択されたリソースを使用して前記複数のデータを伝送し、前記端末がセンシングにより伝送を行うように構成され、前記端末が前記データを所定回数以上連続して伝送できなかった場合、前記端末はリソース再選択を行う、端末装置。 - 前記選択されたリソースは半静的リソースの割り当て周期ごとに繰り返されることである、請求項8に記載の端末装置。
- 前記リソース再選択はリソース再選択のためのカウンター値に関係なく行われることである、請求項9に記載の端末装置。
- 前記選択されたリソースは、ビットマップによりデータ送受信に使用可能なものと指示されたものである、請求項9に記載の端末装置。
- 前記ビットマップの長さはCAM(Cooperative Awareness Message)メッセージの生成周期に相応するものである、請求項11に記載の端末装置。
- 前記ビットマップはSFN(System Frame Number)周期内で繰り返して適用されるものである、請求項11に記載の端末装置。
- 前記ビットマップの長さは前記半静的リソースの割り当て周期と前記SFN周期の公約数である、請求項10に記載の端末装置。
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PCT/KR2017/008777 WO2018030854A1 (ko) | 2016-08-11 | 2017-08-11 | 무선 통신 시스템에서 단말이 다른 단말에게 데이터를 전송하는 방법 |
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CN109804683A (zh) | 2019-05-24 |
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